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Panasonic SB-WA310P Manual
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Panasonic SB-WA310P Manual

Active subwoofer system
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ORDER NO. MD0303086C1
A6
Active Subwoofer System
SB-WA310P
Color
(S)...Silver Type
1

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Summary of Contents for Panasonic SB-WA310P

  • Page 1 ORDER NO. MD0303086C1 Active Subwoofer System SB-WA310P Color (S)...Silver Type...

  • Page 2: Specifications

    SPECIFICATIONS Specification...

  • Page 3: Safety Precautions

    Active subwoofer Type 1 way, 1 speaker, bass-ref. Speaker unit Woofer 17 cm (6-3/4”), cone type, 4 Input power 200 W (Music) Output sound pressure level 80 dB/W (1.0 m) Frequency range 40 Hz-220 Hz (-16 dB) 45 Hz-180 Hz (-10 dB) Dimensions (W x H x D) 160 x 450 x 424 mm (6-5/16”...

  • Page 4: Leakage Current Cold Check

    damaged by the short circuit. 2. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed. 3. After servicing, make the following leakage current checks to prevent the customer from being exposed to shock hazards. (This “Safety Precaution”...

  • Page 5: Handling The Lead-Free Solder

    1.1.2. LEAKAGE CURRENT HOT CHECK (See Figure 1.) 1. Plug the AC cord directly into the AC outlet. Do not use an isolation transformer for this check. 2. Connect a 1.5k , 10 watts resistor, in parallel with a 0.15 capacitors, between each exposed metallic part on the set and a good earth ground such as a water pipe, as shown in Figure 1.

  • Page 6: Before Repair And Adjustment

    1100°F/600°C). - When soldering or unsoldering, please completely remove all of the solder on the pins or solder area, and be sure to heat the soldering points with the Pb free solder until it melts enough. 3. Before Repair and Adjustment Disconnect AC power, discharge Power Supply Capacitors C546, C547, C548, C549 through a , 1 W resistor to ground.

  • Page 7: Disassembly Procedure

    Notes : - To prevent damage to circuitry, never short-circuit positive (+) and negative (-) speaker wires. - Be sure to connect only positive (red) wires to positive (+) terminals and negative (black) wires to negative (-) terminals. 6. Disassembly Procedure “ATTENTION SERVICER”...

  • Page 8: Disassembly Of The Speaker Unit

    6.1. Disassembly of the Speaker Unit Step 1: Remove 2 screws from the rear panel. Step 2: Remove all screws. Step 3: Remove the Stand Base. Step 4: Remove 6 screws from the speaker bottom.
  • Page 9 Step 5: Pull the Power/Amp Unit as shown. Step 6: Release the connector CN506 and pull out the Power/Amp Unit. Step 7: Push the Net Frame from two holes inside the unit. Step 8: Remove the Net Frame.
  • Page 10 Step 9: Remove all the screws. Step 10: Remove the Speaker. Step 11 & 12: Remove all the screws.
  • Page 11 Step 13: Release the connector CN507. Step 14: Remove the 2 screws. Step 15 & 16: Remove all the screws. Step 17: Place the Power PCB as shown for checking.

  • Page 12: Main Component Replacement Procedures

    Checking for AC Inlet PCB. 6.2. Main Component Replacement Procedures 6.2.1. Replacement of the Power IC Step 1 & 2: Remove all the screws.

  • Page 13: Connection Of The Speaker Wiring

    Step 3: Desolder the Power IC terminal and replace the component. 7. Connection of the Speaker Wiring 8. Block Diagram 9. Schematic Diagram (All schematic diagrams may be modified at any time with the development of the new technology) Note: - The voltage value and waveforms are the reference voltage of this unit measured by DC electronic voltmeter (high impedance) and oscilloscope on the basis of chassis.
  • Page 14 Caution ! IC, LSI and VLSI are sensitive to static electricity. Secondary trouble can be prevented by taking care during repair. - Cover the parts boxes made of plastics with aluminium foil. - Put a conductive mat on the work table. - Ground the soldering iron.
  • Page 15 areas or colour. (Refer to the cover page for area or colour) Parts without these indications can be used for all areas. - Capacitor values are in microfarads ( F) unless specified otherwise, P= Pico-farads (pF), F= Farads. - Resistance values are in ohms, unless specified otherwise, 1K= 1,000 (OHM).
  • Page 16 13.1.2. Cabinet Parts List...
  • Page 17 Ref. No. Part No. Part Name & Description Remarks CABINET AND CHASSIS RFKHBWAMT1PS SPK CABINET ASS’Y RMG0513-K CATCH XTB4+12AFN SCREW RGK1601-S STAND ORNAMENT RMQ0783 EVA PACKING RKA0147-K FOOT RYB0298A NET FRAME ASS’Y XTB4+12AFZ SCREW (WOOFER) RGNX0175V-S SPEC LABEL REM0072-3 RGR0332A-B1A REAR PANEL RHD30092 SCREW (MAIN PCB)
  • Page 18 Ref. No. Part No. Part Name & Description Remarks Q517 KTC2026 TRANSISTOR Q519 KTC3199GRTA TRANSISTOR Q520 KRA102MTA TRANSISTOR DIODES D500 B0AACK000004 DIODE D501 B0JAPG000019 DIODE D502 B0JAPG000019 DIODE D503 MA2C700A0F DIODE D504 B0AACK000004 DIODE D505 B0AACK000004 DIODE D506 B0AACK000004 DIODE D507 B0AACK000004 DIODE...
  • Page 20 Ref. No. Part No. Part Name & Description Remarks RELAY RLY501 RSY0040M-0 PRIMARY RELAY SPEAKER EAST17PL21B6 SPEAKER FUSES K5D402AQ0002 PRIMARY FUSE 4A FUSE HOLDERS FC501 EYF52BC FUSE HOLDER FC502 EYF52BC FUSE HOLDER FUSE PROTECTOR K5G502AA0002 5A FUSE PROTECTOR HOLDERS H500 K1YF12000002 12P WIRE HOLDER H505A...
  • Page 21 Ref. No. Part No. Part Name & Description Remarks R501 ERDS2TJ472T 4.7K 1/4W R502 ERDS2TJ472T 4.7K 1/4W R503 ERDS2TJ153T 15K 1/4W R504 ERDS2TJ153T 15K 1/4W R505 ERDS2TJ153T 15K 1/4W R506 ERDS2TJ153T 15K 1/4W R507 ERDS2TJ392T 3.9K 1/4W R508 ERDS2TJ392T 3.9K 1/4W R509 ERDS2TJ472T 4.7K 1/4W...
  • Page 22 Ref. No. Part No. Part Name & Description Remarks R555 ERDS2TJ104T 100K 1/4W R556 ERDS2TJ103T 10K 1/4W R557 ERDS2TJ563T 56K 1/4W R558 ERDS1FVJ180T 18 1/2W R559 ERDS2TJ563T 56K 1/4W R560 ERDS2TJ103T 10K 1/4W R561 ERDS2TJ101T 100 1/4W R565 ERDS1FVJ392T 3.9K 1/2W R566 ERDS2TJ271T 270 1/4W...
  • Page 23 C516 ECKR2H103ZF5 0.01 500V Ref. No. Part No. Part Name & Description Remarks C517 ECBT1C103NS5 0.01 16V C518 F1D1H473A012 0.047 50V C519 F1D1H473A012 0.047 50V C520 F1D1H473A012 0.047 50V C521 F1D1H473A012 0.047 50V C522 F1D1H473A012 0.047 50V C523 F1D1H473A012 0.047 50V C524 F1D1H1040002 0.1 50V...

  • Page 24: Packing Materials & Accessories Parts List

    13.3. Packing Materials & Accessories Parts List Ref. No. Part No. Part Name & Description Remarks PACKING MATERIALS RPF0357 MIRAMAT RPNX0189 POLYFOAM 13.4. Packaging FLE0303/K/A/S/E/N...
  • Page 25 AC INLET P.C.B. (REP3435H) CAUTION RISK OF ELECTRIC SHOCK AC VOLTAGE LINE. PLEASE DO NOT TOUCH THIS P.C.B FC501 FC502 F1 125V 4A T502 (POWER TRANSFORMER) L500 JK500 Q516 AC IN J500 RLY501 C555 J501 120V 60HZ R589 C557 R578 C558 J502 J503...
  • Page 26 SCHEMATIC DIAGRAM-1 : MAIN SIGNAL LINE : -B SIGNAL LINE POWER CIRCUIT : +B SIGNAL LINE IC501 C551 IC501 0.01 RSN311W64B-P POWER HIC E501 K4CZ01000027 R501 R513 4.7K R502 C507 18P 4.7K R514 C508 18P R524 120K R506 D501-D502 B0JAPG000019 R516 R526 R505...
  • Page 27 SCHEMATIC DIAGRAM-2 : MAIN SIGNAL LINE : -B SIGNAL LINE POWER CIRCUIT R597 R594 C564 1200P Q514 R592 R403 R599 Q513 100K C565 R593 R571 C568 R591 R572 3.3K 0.01 6.8K 470K C562 IC502 5600P C0AABB000055 C524 C525 DUAL LOW-NOISE OP AMP JK501 C563 0.082...

  • Page 28: Schematic Diagram

    SCHEMATIC DIAGRAM-3 : -B SIGNAL LINE : +B SIGNAL LINE C555 R589 35V4.7 Q516 R578 KRC102MTA SYNC SWITCH CN502 R580 PCONT Q517 POWER CIRCUIT KTC2026 (CP502) ON SYNC R587 C571 VOLTAGE REGULATOR D528 SCHEMATIC 2.7K 16V1000 SYS6V DIAGRAM-2 C559 HELP 0.01 C556 R588...
  • Page 29 CN501 7..1 CP502 JK502 LED P.C.B. CN507 SPEAKER JK501 WOOFER H505A/W505 SOLDER SIDE SOLDER SIDE POWER P.C.B. SOLDER SIDE T501(POWER TRANSFORMER) TRANSFORMER P.C.B. T502(POWER TRANSFORMER) AC INLET AC IN JK500 P.C.B. 120V 60HZ CN502 SOLDER SIDE 7.
  • Page 30 IC501 RSN311W64B-P POWER HIC POWER CONTROL CIRCUIT POWER CONTROL/PROTECTION CIRCUIT 12(11) (25) (19) D501 D502 Q506 INTERFACE SWITCH MAIN CIRCUIT Q505 (JK700) OF SA-HT800VP-S SWITCHING SL(R) FILTER JK501(JK502) SURROUND SPEAKER FILTER JK502 CENTRE SPEAKER FILTER SUBWOOFER FL(R) FILTER JK501 FRONT SPEAKER Q501, Q502...
  • Page 31 C0AABB000055 KRA102MTA RSN311W64B-P KTA12710YTA KTC3199GRTA KRC102MTA B0AACK000004 KTC2026 MA2C700A0F B0HARM000017 B0BA9R600002 Cathode Cathode Anode Anode B0EAKM000085 B0BA6R600008 SLI325URCT31 B0JAPG000019 B0BA5R100013 Cathode Anode Cathode Cathode Anode Anode...
  • Page 32 POWER P.C.B. (REP3435H) CAUTION RISK OF ELECTRIC SHOCK AC VOLTAGE LINE. PLEASE DO NOT TOUCH THIS P.C.B J570 CN501 J581 J528 R543 CP502 R544 7 6 5 4 3 2 1 R540 Q513 R539 Q507 C537 R542 J504 R572 R554 R541 J533 Q506...
  • Page 33 Q507 C537 R554 J505 C541 J513 Q510 Q508 Q501 J544 Q520 R570 J402 D518 J403 J567 J586 J568 J404 J587 J569 J405 J588 J560 J406 J417 R527 J584 R502 R517 R504 Q503 R508 R598 C511 R507 R503 R528 R567 D533 R568 C517 C543...

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